"A people without the knowledge of their past history, origin and culture is like a tree without roots."
"Art owes its origin to Nature herself... this beautiful creation, the world, supplied the first model, while the original teacher was that divine intelligence which has not only made us superior to the other animals, but like God Himself, if I may venture to say it."
"The positive testimony of history is that the State invariably had its origin in conquest and confiscation. No primitive State known to history originated in any other manner."
"We show deference to the civil authorities when they respect the divine origin of their power and when they serve the people with objective reference to the law of God."
"I am sure my fellow-scientists will agree with me if I say that whatever we were able to achieve in our later years had its origin in the experiences of our youth and in the hopes and wishes which were formed before and during our time as students."
"Ethics is in origin the art of recommending to others the sacrifices required for cooperation with oneself."
"All difficult things have their origin in that which is easy, and great things in that which is small."
"The origin of the absurd idea of immortal life is easy to discover it is kept alive by hope and fear, by childish faith, and by cowardice."
"The origin of life is one of the great outstanding mysteries of science."
"All riches have their origin in mind. Wealth is in ideas - not money."